1-1
CHAPTER 1
SMPS™ Spectrometer
Overview
This chapter contains an introduction to the Model 3936 Scanning
Mobility Particle Sizer
™ (SMPS™) Spectrometer and a brief
explanation of how the system operates.
Product Description
The SMPS™ spectrometer, shown in Figure 1-1, is a system that
measures the size distribution of aerosols in the size range from
2.5 nm to 1000 nm.
Particles are classified with an Electrostatic Classifier and their
concentration is measured with a Condensation Particle Counter
(CPC). The SMPS
™ spectrometer also uses a personal computer
and custom software to control individual instruments and perform
data collection and analysis.
Figure 1-1
SMPS Spectrometer Shown with a Model 3085 Nano DMA and Model 3786
UWCPC
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